Re: [vpFREE] Re: Bob Dancer Column - 20 DEC 2016

 

I have a similar question abut the Kelly Criterion.  Ultimately, it's utility that matters.  The Kelly Criterion is applicable because it recognizes that money has diminishing marginal utility, but it's anybody's guess as to how accurately it estimates that utility.

On Sun, Dec 25, 2016 at 12:54 PM, Tom Robertson <007kzq@gmail.com> wrote:
What does Bayes' Theorem say the estimate is after 1 pick?  I don't see how the changing estimate of the probability of the truth of the original theory that the $1, the $5, and the $1000 were equally likely can be quantified.

On Fri, Dec 23, 2016 at 3:01 PM, nightoftheiguana2000@yahoo.com [vpFREE] <vpFREE@yahoogroups.com> wrote:
 

An example: There's a kiosk promotion, you might play a video poker machine depending on the EV of the kiosk promotion. In the promotion, you have a choice of three boxes, and it says the value behind each box is either $1, $5, or $1000, and after you make your choice, the other boxes are revealed so you can verify this. Your initial estimate of EV is: (1+5+1000)/3 = $335.33 . You use your watch's second hand to randomize your pick (every gambler knows how to do this, right?) and after 10 picks you've received $1 every time. What's your estimate of EV now? Still sticking with $335.33? How many picks of $1 will it take before you realize it's a weighted or even fixed promotion? Or will you just play forever on the assumption that your initial guess at EV must be 100% correct? Your luck has to turn eventually, right?



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Posted by: Tom Robertson <007kzq@gmail.com>
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